package day05;

import java.util.Arrays;
import java.util.Random;

public class ArraySortDemo {
    public static void main(String[] args) {
        Random rand = new Random();
        int [] arr = new int[10];
        for(int i=0;i<arr.length;i++){
            arr[i]=rand.nextInt(100);
            System.out.print(arr[i]+" ");
        }
        Arrays.sort(arr);
        System.out.println();
        for(int i=0;i<arr.length;i++){
            System.out.print(arr[i]+" ");
        }
        System.out.println();
        for (int i=arr.length-1;i>=0;i--){
            System.out.print(arr[i]+" ");
        }
        System.out.println("第1个元素为:"+arr[0]); //小的
    }
}
